Concurrent Post
-
Faculty of Science and Engineering Graduate School of Fundamental Science and Engineering
Details of a Researcher
Updated on 2023/02/06
Faculty of Science and Engineering Graduate School of Fundamental Science and Engineering
Center for Data Science Concurrent Researcher
The University of California at Berkeley College of Engineering Operations Research
PhD
Illinois State University Department of Mathematics Mathematics
Master of Science
Hiroshima University Faculty of School Education Elementary School Education
University of California at Berkeley Doctor of Philosophy
Professor, Waseda University (1 May Present)
Associate Professor, Waseda University (1 April April 2007)
Senior Lecturer, Victoria University of Wellington, New Zealand (1 January March 2004)
Lecturer, Victoria University of Wellington, New Zealand (1 September December 2000)
IEEE
Reliability Engineering Association of Japan
Operations Research Society of Japan
Others
Operations Research
Discussion of “Virtual age, is it real?”
Richard Arnold, Stefanka Chukova, Yu Hayakawa
Applied Stochastic Models in Business and Industry 2020 [Refereed] [Invited]
Nonzero repair times dependent on the failure hazard
Richard Arnold, Stefanka Chukova, Yu Hayakawa, Sarah Marshall
Quality and Reliability Engineering International 36 ( 3 ) 988 - 1004 2020 [Refereed]
Geometric-Like Processes: An Overview and Some Reliability Applications
Richard Arnold, Stefanka Chukova, Yu Hayakawa, Sarah Marshall
Reliability Engineering and System Safety 201 106990 2020 [Refereed]
Geometric and Geometric-Like Processes and Their Applications in Warranty Analysis
Richard Arnold, Stefanka Chukova, Yu Hayakawa, Sarah Marshall
In book: Mathematics Applied to Engineering and Management 1 - 23 2019 [Refereed] [Invited]
Warranty Cost Analysis with an Alternating Geometric Process
Richard Arnold, Stefanka Chukova, Yu Hayakawa, Sarah Marshall
Research Report Series, School of Mathematics and Statistics, Victoria University of Wellington ( #18-1 ) 2018
Warranty cost analysis: Increasing warranty repair times
Sarah Marshall, Richard Arnold, Stefanka Chukova, Yu Hayakawa
Applied Stochastic Models in Business and Industry 34 ( 4 ) 544 - 561 2018 [Refereed]
Delayed Reporting of Faults in Warranty Claims
Richard Arnold, Stefanka Chukova, Yu Hayakawa
In proceedings: Advanced Reliability and Maintenance Modeling VII: Recent Developments on Reliability, Maintainability and Dependability 9 - 16 2016 [Refereed]
Joint modelling of failure times and severities using fuzzy clustering
Richard Arnold, Stefanka Chukova, Yu Hayakawa, Ivy Liu
Proceedings of the 6th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modelling (APARM 2014) 1 - 8 2014 [Refereed]
Failure distributions in multicomponent systems with imperfect repairs
Richard Arnold, Stefanka Chukova, Yu Hayakawa
Proceedings of the 6th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modelling (APARM 2014) 17 - 24 2014 [Refereed]
Warranty Cost Analysis: Non-zero Geometric Repair Times
Richard Arnold, Stefanka Chukova, Yu Hayakawa
Proceedings of the 6th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modelling (APARM 2014) 9 - 16 2014 [Refereed]
Warranty/maintenance: on modelling non-zero rectification times
Stefanka Chukova, Yu Hayakawa
In book: Stochastic Reliability and Maintenance Modeling: Essays in Honor of Professor Shunji Osaki on His 70th Birthday 63 - 99 2013 [Invited]
Inference for Multicomponent Systems with Dependent Failures
Richard Arnold, Stefanka Chukova, Yu Hayakawa
Proceedings of the 5th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2012) 9 - 16 2012 [Refereed]
On warranty cost analysis: on modelling warranty repairs
Stefanka Chukova, Yu Hayakawa
Proceedings of the 7th International Conference on Mathematical Methods in Reliability: Theory, Methods and Applications (MMR 2011) 7 - 13 2011
Failure model for multicomponent systems with damage accumulation
Anastasiadis, S, Arnold, R, Chukova, S, Hayakawa, Y
Advanced Reliability Modeling IV: Beyond the Traditional Reliability and Maintainability Approaches, eds. Chukova, S., Haywood, J. and Dohi, T. 9 - 16 2010 [Refereed]
Schur-concavity, aging and a new model for damage accumulation in multi-component systems
Richard Arnold, Stefanka Chukova, Yu Hayakawa
Advanced Reliability Modelling III: Global Aspect of Reliability and Maintainability, eds. Sheu, S.-H. and Dohi, T. 627 - 634 2008
Warranty analysis: Estimation of the degree of imperfect repair via a Bayesian approach
S. Chukova, Y. Hayakawa, R. Arnold
RECENT ADVANCES IN STOCHASTIC OPERATIONS RESEARCH 3 - + 2007 [Refereed]
The effect of Bayesian and frequentist methods on reliability studies
Stefanka Chukova, Yu Hayakawa
Proceedings of the 57th Symposium of the Operations Research Society of Japan 19 - 33 2007 [Invited]
信頼性理論の研究におけるベイズ的方法と頻度論的方法の影響
Stefanka Chukova, 早川 有
オペレーションズ・リサーチ 52 ( 7 ) 390 - 396 2007
A beta-binomial model for estimating the size of a heterogeneous population
PSF Yip, LQ Xi, R Arnold, Y Hayakawa
AUSTRALIAN & NEW ZEALAND JOURNAL OF STATISTICS 47 ( 3 ) 299 - 308 2005.09 [Refereed]
Warranty and imperfect repairs
S Chukova, Y Hayakawa
Advanced Reliability Modeling 81 - 88 2004 [Refereed]
Bayesian inference for a stochastic epidemic model with uncertain numbers of susceptibles of several types
Y Hayakawa, PD O'Neill, D Upton, PSF Yip
AUSTRALIAN & NEW ZEALAND JOURNAL OF STATISTICS 45 ( 4 ) 491 - 502 2003.12 [Refereed]
A frailty model for detecting number of faults in a system
Y Wang, PSF Yip, Y Hayakawa
STATISTICA SINICA 12 ( 4 ) 1001 - 1013 2002.10 [Refereed]
Bayesian Nonparametric Testing of Constant versus Nondecreasing Hazard Rates
Hayakawa, Y, Zukerman, J, Paul, S, Vignaux, G.A
In book: System and Bayesian Reliability: Essays in Honor of Professor Richard E. Barlow for his 70th Birthday 391 - 406 2001
Characterizing failure duration in 2-terminal network problems
Smith, P.J, Silby, H.W, Hayakawa, Y, Carlisle, C
International Journal of Reliability, Quality and Safety Engineering 8 ( 2 ) 137 - 158 2001 [Refereed]
Bayesian Nonparametric Testing of Constant versus Nondecreasing Hazard Rates, Chapter 23 in "System and Bayesian Reliability: Essays in Honor of Professor Richard E. Barlow for his 70th Birthday"
Hayakawa, Y, Zukerman, J, Paul, S, Vignaux, G.A
World Scientific Publishing 2001
A Gibbs-sampler approach to estimate the number of faults in a system using capture-recapture sampling
Y Hayakawa, PSF Yip
IEEE TRANSACTIONS ON RELIABILITY 49 ( 4 ) 342 - 350 2000.12 [Refereed]
Mixed Poisson-type processes with application in software reliability
Y Hayakawa, G Telfar
MATHEMATICAL AND COMPUTER MODELLING 31 ( 10-12 ) 151 - 156 2000.05 [Refereed]
A new characterisation property of mixed poisson processes via Berman's theorem
Y Hayakawa
JOURNAL OF APPLIED PROBABILITY 37 ( 1 ) 261 - 268 2000.03 [Refereed]
When a large earthquake occurs, what can we say about the aftershocks? A real-life use of probability forecasts (translation from the Japanese)
Vere-Jones, D, Vere-Jones, M, Hayakawa, Y
School of Mathematical and Computing Sciences, Victoria University of Wellington, Wellington, New Zealand ( 6 ) 2000
Sensitivity-analysis and estimating number-of-faults in removal debugging
PSF Yip, LQ Xi, DYT Fong, Y Hayakawa
IEEE TRANSACTIONS ON RELIABILITY 48 ( 3 ) 300 - 305 1999.09 [Refereed]
Characterisation properties of mixtures of exponential distributions
Yu Hayakawa
Proceedings of the First Western Pacific and Third Australia-Japan Workshop on Stochastic Models in Engineering, Technology and Management 127 - 136 1999
A Bayesian positive dependence of survival times based on the multivariate arrangement increasing property
Y Hayakawa
JOURNAL OF STATISTICAL PLANNING AND INFERENCE 70 ( 2 ) 225 - 240 1998.07 [Refereed]
Bayesian classification of satellite imagery with spatio-temporal dependence applied to low cloud detection
Hayakawa, Y, Houston, G, Hume, T
School of Mathematical and Computing Sciences, Victoria University of Wellington, Wellington, New Zealand ( 45 ) 1997
THE CONSTRUCTION OF NEW BIVARIATE EXPONENTIAL-DISTRIBUTIONS FROM A BAYESIAN PERSPECTIVE
Y HAYAKAWA
JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION 89 ( 427 ) 1044 - 1049 1994.09 [Refereed]
Operational Bayesian models for designed experiments
Yu Hayakawa
Institute of Statistics and Operations Research, Victoria University of Wellington, Wellington, New Zealand ( 36 ) 1994
Derivation of conjugate priors for continuous exponential-type families and l1-isotropic models with right censorship
Yu Hayakawa
Proceedings of the 29th Annual Conference of the Operational Research Society of New Zealand 334 - 341 1993
Bayesian Parametric Models for Lifetimes from a Subjectivistic Viewpoint: Model Construction and Characterizations of Aging
Yu Hayakawa
Department of Industrial Engineering and Operations Research, University of California at Berkeley, California, U.S.A. 1992
Non-parametric Bayesian approach to modelling system reliability
Project Year :
Non-parametric Bayesian approach to modelling system reliability
Japan Society for the Promotion of Science Grants-in-Aids for Scientific Research
Project Year :
New models for failures in multi-component systems: Model properties and simulation methods
Japan Society for the Promotion of Science Invitational Fellowships for Research in Japan
Project Year :
Robustness measures for telecomunication networks
New Zealand Telecom
Project Year :
Schur-concavity, aging and a new model for damage accumulation in multi-component systems (Arnold, R., Chukova, S. and Hayakawa, Y.)
3rd Asian International Workshop on Advanced Reliability Modeling (AIWARM 2008)
Presentation date: 2008.10
Capture Recapture estimation using finite mixtures of arbitrary dimension (Arnold, R. and Hayakawa, Y.) presented by Arnold, R.
9th World Conference of the International Society for Bayesian Analysis (ISBA)
Presentation date: 2008.07
Non-parametric Bayesian approach to modelling system reliability
2018 Richard Arnold, Stefanka Chukova, Sarah Marshall
Delayed reporting of faults in warranty claims
2017 Richard Arnold, Stefanka Chukova
Warranty cost analysis with non-zero repair times through hierarchical stochastic processes
2017 Richard Arnold, Stefanka Chukova, Yuuki Rikimaru
Modelling system reliability: Non-parametric Bayesian inference
2016 Richard Arnold, Stefanka Chukova, Adam Rod
Stochastic process approaches to modelling system reliability
2015 Richard Arnold, Stefanka Chukova, Fan Wang
Modelling system reliability via stochastic process
New Zealand Victoria University of Wellington
Studies on damage accumulation models
ニュージーランド Victoria University of Wellington
Reliability Engineering Association of Japan Vice-president
IEEE Reliability Society Japan Joint Chapter Chair
Citation count denotes the number of citations in papers published for a particular year.